Metals and Materials International

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Nanotwinned Microstructure Engineering of Electroplated Copper for Enhanced Anti-corrosion in Alkaline Medium
Metals and Materials International - Tập 30 - Trang 104-112 - 2023
Xing-Quan Liu, Zhe Li, Zhen-Jia Peng, Rui-Xun Wang, Zhi-Quan Liu
Electroplated copper is a key electronic interconnect material in integrated circuits and printed circuits and inevitably exposed to corrosive media in manufacturing processes. The present work reports, for the first time, that corrosion resistance of electroplated copper in 4 wt% NaOH is enhanced via nanotwinned microstructure engineering. Nucleation and growth of oxide/hydroxide on nanotwinned c...... hiện toàn bộ
Multi-scale simulation study for growth dynamics of irreversible islands during submonolayer epitaxy
Metals and Materials International - Tập 9 - Trang 121-127 - 2003
Pil -Ryung Clia, Ki -Ha Hong, Jong -Kyu Yoon
Using empirical embedded atom method (EAM) potential, activation barriers of adatom diffusion on the surface, diffusion along the step edge, and island corner diffusion are calculated for metal (111) surface (Pt, Ag) and the behavior of those barriers is investigated with respect to lattice strain. Based on the calculated barriers, we perform the kinetic Monte Carlo simulation for monolayer island...... hiện toàn bộ
Nitrogen Ions Implantation in W-Based Quad Alloy: Structure, Electrical Resistivity, Surface Roughness and Vickers Hardness as a Function of Ion Dose
Metals and Materials International - Tập 27 - Trang 3342-3358 - 2020
Muhammad Zakria Butt, Dilawar Ali, Muzamil Aftab, Farooq Bashir, M. Shahid Pervaiz, M. Usman Tanveer, M. Waqas Khaliq
Five W-alloy specimens, containing 8.57% Ni, 6.34% Cu, and 1.34% Mo, were bombarded with 5.2 MeV singly charged nitrogen ions. The ions dose range was 5 × 1014–1 × 1016 ions/cm2. XRD patterns portrayed diffraction peaks of pure W as well as of Cu0.4W0.6, MoNi4, and Ni4W phases. Harris analysis showed that the preferentially oriented planes depend on the nitrogen ions dose. The structural parameter...... hiện toàn bộ
Growth and dislocation distribution of single Si1-xGex/Si(001) epilayer structures grown by gas source molecular beam epitaxy
Metals and Materials International - Tập 4 - Trang 1001-1005 - 1998
Won Jae Lee, Anne Staton-Bevan
Single Si1-xGex epilayer on Si buffer layer (~100 nm) was grown by gas source molecular beam epitaxy (GS-MBE) at 640°C. Samples were investigated by transmission electron microscopy. For all the samples investigated, the misfit dislocations were irregularly distributed along the [110] and [110] directions. As the Ge content, x, in Si1-xGex/Si epilayers (x≤0.15) increased, the distribution of dislo...... hiện toàn bộ
Effect of ductility on dry sliding wear of medium carbon steel under low load conditions
Metals and Materials International - Tập 5 - Trang 267-271 - 1999
Seung-Hyun Kim, Yong-Suk Kim
The room-temperature dry sliding wear behavior of AI SI 1045 steel has been investigated with the aim of clarifying the effect of ductility on wear Sliding wear tests were carried out in the air using a pin-on-disk wear tester with loads ranging from 4 to 12 N The specimen with higher ductility showed a lower wear rate than the specimen with lower ductility though their hardness values are similar...... hiện toàn bộ
Grain refining performance of Al-B master alloys with different microstructures on Al-7Si alloy
Metals and Materials International - Tập 19 Số 2 - Trang 367-370 - 2013
Tongmin Wang, Zongning Chen, Hongwang Fu, Tingju Li
$$\left\{ {10\bar 12} \right\}$$ twinning behavior in magnesium single crystal
Metals and Materials International - - 2013
Mingzhe Bian, Kwang Seon Shin
The effects of hydrogen embrittlement by cathodic protection on the CTOD of buried natural gas pipeline
Metals and Materials International - Tập 8 - Trang 197-202 - 2002
Cheol-man Kim, Woo-sik Kim, Young-tai Kho
For the corrosion protection of natural gas transmission pipelines, two methods are used, cathodic protection and a coating technique. In the case of cathodic protection, defects are embrittled by hydrogen occurring at crack tips or surfaces of materials. It is, however, very important to evaluate whether cracks in the embrittled area can grow or not, especially in weld metal. In this work, on the...... hiện toàn bộ
Optimum Combination of Thermoplastic Formability and Electrical Conductivity in Al–Ni–Y Metallic Glass
Metals and Materials International - - 2018
Min Young Na, Sung Hyun Park, Kang Cheol Kim, Dong-Won Kim, Do Hyang Kim
A Novel Method to Calculate the Carbides Fraction from Dilatometric Measurements During Cooling in Hot-Work Tool Steel
Metals and Materials International - Tập 24 Số 6 - Trang 1193-1201 - 2018
Xiaoli Zhao, Chuanwei Li, Lizhan Han, Jianfeng Gu
Tổng số: 2,788   
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